3CGA

Crystal structure of metastasis-associated protein S100A4 in the active, calcium-bound form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Protein S100-A4	polymer	101	11745.5	2	UniProt (P26447) Pfam (PF01023) In PDB	Homo sapiens (Human)	S100 calcium-binding protein A4, Metastasin, Protein Mts1, Placental calcium-binding protein, Calvasculin
2	A, B	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3		water	water		18.0	51	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23491.1
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	23651.4

*Water molecules are not included.